CN115831656B - Stable GIS isolation composite grounding switch with disassembly and assembly functions - Google Patents
Stable GIS isolation composite grounding switch with disassembly and assembly functions Download PDFInfo
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- CN115831656B CN115831656B CN202211540166.3A CN202211540166A CN115831656B CN 115831656 B CN115831656 B CN 115831656B CN 202211540166 A CN202211540166 A CN 202211540166A CN 115831656 B CN115831656 B CN 115831656B
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Abstract
The invention discloses a stable GIS isolation composite grounding switch with a disassembly and assembly function, which comprises the following components: the iron stand, the connecting block is installed to the upper end of supporting shoe, and first locating piece, it sets up the left side outer end at the insulator, the inner of second locating piece is provided with the locating plate, the upper end of insulator is provided with the steady block, and the joint piece, and it sets up the upper end at the second locating piece, the upper end of joint piece is provided with the joint piece, and vertical pole, it sets up the upper left end at first balance plate, the upper right end of first balance plate is provided with the steady plate, the link is installed to the outer end of guide arm, and the reinforcing plate, and it sets up the right-hand member at the link, the inner of first connecting switch is connected with second connecting switch. This compound earthing switch is kept apart to stable GIS with dismouting function, it is convenient for GIS keep apart the combination and the dismouting of compound earthing switch, simultaneously, is convenient for realize that GIS keeps apart compound earthing switch internal connection is inseparabler.
Description
Technical Field
The invention relates to the technical field of isolation composite grounding switches, in particular to a stable GIS isolation composite grounding switch with a disassembly and assembly function.
Background
Besides the on-site operation, accurate measurement and data signal display information of the GIS isolating switch and the grounding switch cabinet, the GIS isolating switch and the grounding switch cabinet also need to have sufficient auxiliary contacts and experimental wiring terminals for the remote accurate measurement, operation and data signal application of clients, and the GIS isolating switch and the grounding switch cabinet are widely applied in the field of power development, for example:
an isolated grounding switch and GIS equipment using the same are disclosed in China patent publication No. CN 109119280B. The isolating grounding switch comprises a shell, wherein an isolating static contact seat, a quick grounding static contact seat, a grounding static contact seat and a mounting base corresponding to each static contact seat are arranged in the shell, and at least one of the isolating static contact seat, the quick grounding static contact seat and the grounding static contact seat is arranged on the corresponding mounting base in an adjustable manner through the radial position of a position adjusting mechanism so as to realize the axial centering of the static contact seat and a corresponding moving contact. At least one of the isolation static contact seat, the quick grounding static contact seat and the grounding static contact seat is connected with the mounting base in an adjustable way, when the device is used, the position of the static contact seat is adjusted through the position adjusting mechanism, the central axis of the static contact seat is overlapped with the central axis of a corresponding moving contact, centering arrangement of the two is guaranteed, abrasion can be reduced when the moving contact and the static contact seat are mutually inserted, generated metal foreign matters are reduced, and normal operation of the isolation grounding switch is guaranteed.
The novel three-station isolation grounding switch module of the solid insulation vacuum switch with the Chinese patent grant publication number of CN103915282B consists of a three-station isolation grounding switch operation end, a three-station isolation grounding switch, a bus interface, an outgoing line terminal, a vacuum switch, an isolation static contact, a grounding contact, an epoxy resin shell and an end cover; the method is characterized in that: the three-station isolation grounding switch and the vacuum switch are parallelly cast in the epoxy resin shell and are connected with the conductive contact finger seat through the movable contact support; the grounding contact is arranged on the end cover or the epoxy resin shell in a post-assembly mode; the isolation static contact is fixedly sealed in the epoxy resin shell. The appearance outline of the high-voltage component is optimized in the working position, an additional shielding net is not required to be cast in the epoxy resin shell, the miniaturization of the product is easy to realize, and the manufacturing process is simplified; local electric field concentration does not exist, and the local discharge capacity of the product is very low even under the condition that the touchable parts of a human body are grounded; the risk of scrapping the whole product is reduced.
However, the prior art solutions described above have the following drawbacks: the GIS isolation composite grounding switch is inconvenient to assemble and disassemble, and meanwhile, when the GIS isolation composite grounding switch is installed, connection of internal parts is not tight enough, so that the invention provides a stable GIS isolation composite grounding switch with the disassembling and assembling function, and the problems are solved.
Disclosure of Invention
The invention aims to provide a stable GIS isolation composite grounding switch with a disassembly and assembly function, which solves the problems that the GIS isolation composite grounding switch is inconvenient to assemble and disassemble and the internal connection of the GIS isolation composite grounding switch is inconvenient to realize more compact in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a stable GIS isolation composite grounding switch with a disassembly and assembly function comprises:
the iron stand is internally provided with a threaded hole, the upper end of the iron stand is connected with a supporting block, the upper end of the supporting block is provided with a connecting block, the inner end of the connecting block is connected with a connecting bolt, the upper end of the supporting plate is connected with a connecting plate, and the upper end of the connecting plate is provided with an insulator;
the first positioning block is arranged at the left outer end of the insulator, the right end of the first positioning block is provided with a second positioning block, the inner end of the second positioning block is provided with a positioning plate, the outer end of the second positioning block is connected with a connecting assembly, the upper end of the insulator is provided with a stabilizing block, a first limiting block is arranged above the stabilizing block, and the outer end of the first limiting block is provided with a second limiting block;
the connecting block is arranged at the upper end of the second positioning block, the outer end of the connecting block is provided with a connecting belt, the inner end of the connecting belt is provided with a connecting bolt, the upper end of the connecting block is provided with a connecting block, and the outer end of the connecting block is provided with a first balance plate;
the vertical rod is arranged at the left upper end of the first balance plate, the outer end of the vertical rod is connected with the armature plate, the right upper end of the first balance plate is provided with the stabilizing plate, the inner end of the stabilizing plate is connected with the guide rod, the outer end of the guide rod is provided with the connecting frame, and the front end of the guide rod is connected with the controller;
the reinforcing plate, it sets up the right-hand member at the link, and the right-hand member of reinforcing plate installs first switch, first switch's inner is connected with second switch, and second switch's lower extreme is connected with the second balance board to the limiting plate is installed to the upper end of second balance board.
Preferably, the iron frame is U-shaped, and the threaded holes are symmetrically arranged left and right relative to the vertical central axis of the iron frame.
Preferably, the connecting blocks are provided with 4 groups at equal angles with respect to the center of the connecting plate, and the connecting blocks are in threaded connection with the connecting bolts and the supporting plates relatively.
Preferably, the locating plate is of a semicircular structure, the locating plate is connected with the stabilizing block in a relatively clamped mode, and the stabilizing block is of a hexagonal structure.
Preferably, the connecting assembly is composed of a connecting belt, a square plate and a connecting bolt;
a connection band provided at an outer end of the first positioning block;
a square plate connected to the front end of the connection belt;
and the engagement bolt is arranged at the inner end of the square plate.
Preferably, the connecting belt is connected with the first positioning block and the second positioning block in a relatively clamped manner, and the square plates are arranged in a bilateral symmetry manner relative to the vertical central axis of the connecting belt.
Preferably, the engagement bolts are in threaded connection with the square plate in a way of being opposite to each other, and the engagement bolts are arranged on the square plate at equal intervals.
Preferably, the first limiting blocks are arranged at equal intervals at the right ends of the first positioning blocks, the first limiting blocks are connected with the second limiting blocks in a relatively clamped mode, and the second limiting blocks are arranged at equal intervals at the left ends of the second positioning blocks.
Preferably, the engagement blocks are in opposite clamping connection with the engagement belts, the engagement blocks are arranged in one-to-one correspondence with the engagement blocks, and the engagement blocks are in threaded connection with the first balance plate and the second balance plate respectively.
Compared with the prior art, the invention has the beneficial effects that: the stable GIS isolation composite grounding switch with the disassembly and assembly functions is convenient for the combination and disassembly and assembly of the GIS isolation composite grounding switch, and meanwhile, the internal connection of the GIS isolation composite grounding switch is convenient to realize more tightly;
1. the device is provided with an iron frame and a threaded hole, wherein the iron frame is U-shaped, the threaded hole is symmetrically arranged left and right relative to the vertical central axis of the iron frame, the iron frame is arranged at the installation position of the GIS isolation composite grounding switch and is clamped with the iron frame, the iron frame is U-shaped, and a screw penetrates through the threaded hole in the iron frame, so that the iron frame is completely fixed at the position where installation is required, and the connection between the subsequent GIS isolation composite grounding switch and the installation position is facilitated;
2. the connecting assembly, the connecting belt and the connecting bolt are arranged at equal angles relative to the center of the connecting plate through the connecting block, the connecting block is in threaded connection with the connecting bolt and the supporting plate relatively, the connecting belt is in clamping connection with the first positioning block and the second positioning block relatively, the square plate is arranged symmetrically about the vertical central axis of the connecting belt, the connecting bolt is in threaded connection with the square plate relatively, the connecting bolts are arranged on the square plate at equal intervals, the connecting blocks are in clamping connection with the connecting belt relatively, the connecting blocks are in one-to-one correspondence with the connecting blocks, the connecting blocks are in threaded connection with the first balance plate and the second balance plate relatively, and the GIS isolation composite grounding switch is convenient to assemble and disassemble;
3. be equipped with first stopper, second stopper and locating plate, be semicircle annular structure through the locating plate, and the locating plate is connected with the relative block of stabilizing to the stabilizing block is hexagon column structure, and first stopper is equidistant setting in the right-hand member of first locating block, and first stopper is connected with the relative block of second stopper, and the second stopper is equidistant setting in the left end of second locating piece, is convenient for realize GIS isolation composite earthing switch internal connection inseparabler.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the insulator and stabilizer connection of the present invention;
FIG. 3 is a schematic elevational view of the present invention;
FIG. 4 is a schematic top view of the connection of the connecting block and the connecting bolt of the present invention;
FIG. 5 is a schematic top view of a first stop block and a second stop block according to the present invention;
FIG. 6 is a schematic top view of a cross-sectional view of a square plate and engagement pin connection of the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 3 a according to the present invention.
In the figure: 1. an iron stand; 2. a threaded hole; 3. a support block; 4. a connecting block; 5. a connecting bolt; 6. a connecting plate; 7. an insulator; 8. a support plate; 9. a first positioning block; 10. a second positioning block; 11. a positioning plate; 12. a connection assembly; 1201. a connecting belt; 1202. a square plate; 1203. a connecting bolt; 13. a stabilizing block; 14. a first limiting block; 15. a second limiting block; 16. a joint block; 17. a connecting belt; 18. a locking bolt; 19. a holding block; 20. a first balance plate; 21. a vertical rod; 22. an iron plate is fixed; 23. a stabilizing plate; 24. a guide rod; 25. a controller; 26. a connecting frame; 27. a reinforcing plate; 28. a first connection switch; 29. a second connection switch; 30. a second balance plate; 31. and a limiting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: a stable GIS isolation composite grounding switch with a disassembly and assembly function comprises: the iron stand 1, the screw hole 2 is formed in the iron stand 1, the upper end of the iron stand 1 is connected with the supporting block 3, the upper end of the supporting block 3 is provided with the connecting block 4, the inner end of the connecting block 4 is connected with the connecting bolt 5, the upper end of the supporting plate 8 is connected with the connecting plate 6, and the upper end of the connecting plate 6 is provided with the insulator 7; the first positioning block 9 is arranged at the left outer end of the insulator 7, the right end of the first positioning block 9 is provided with the second positioning block 10, the inner end of the second positioning block 10 is provided with the positioning plate 11, the outer end of the second positioning block 10 is connected with the connecting assembly 12, the upper end of the insulator 7 is provided with the stabilizing block 13, the upper part of the stabilizing block 13 is provided with the first limiting block 14, and the outer end of the first limiting block 14 is provided with the second limiting block 15; a joint block 16 provided at an upper end of the second positioning block 10, and an outer end of the joint block 16 is mounted with a joint belt 17, and an inner end of the joint belt 17 is provided with a joint bolt 18, an upper end of the joint block 16 is provided with a joint block 19, and an outer end of the joint block 19 is mounted with a first balance plate 20; the vertical rod 21 is arranged at the left upper end of the first balance plate 20, the outer end of the vertical rod 21 is connected with the armature plate 22, the right upper end of the first balance plate 20 is provided with the stabilizing plate 23, the inner end of the stabilizing plate 23 is connected with the guide rod 24, the outer end of the guide rod 24 is provided with the connecting frame 26, and the front end of the guide rod 24 is connected with the controller 25; the reinforcing plate 27 is arranged at the right end of the connecting frame 26, the right end of the reinforcing plate 27 is provided with a first connecting switch 28, the inner end of the first connecting switch 28 is connected with a second connecting switch 29, the lower end of the second connecting switch 29 is connected with a second balance plate 30, and the upper end of the second balance plate 30 is provided with a limiting plate 31, so that the stable GIS isolation composite grounding switch with the dismounting function is formed.
As shown in fig. 1, 3, 4 and 7, the iron stand 1 is in a U shape, the threaded holes 2 are symmetrically arranged on the left and right sides of the vertical central axis of the iron stand 1, the connecting block 4 is provided with 4 groups at equal angles on the center of the connecting plate 6, the connecting block 4 is in threaded connection with the connecting bolt 5 and the supporting plate 8 respectively, the connecting belt 1201 is in opposite clamping connection with the first positioning block 9 and the second positioning block 10 respectively, the square plate 1202 is symmetrically arranged on the left and right sides of the vertical central axis of the connecting belt 1201, the engagement bolt 1203 is in opposite threaded connection with the square plate 1202, the engagement bolt 1203 is arranged on the square plate 1202 at equal intervals, the engagement blocks 16 are in opposite clamping connection with the engagement belt 17, the engagement blocks 16 are in one-to-one correspondence with the engagement blocks 19, the engagement blocks 19 are in threaded connection with the first balance plate 20 and the second balance plate 30 respectively, the iron stand 1 is placed at a GIS isolation composite grounding switch mounting position, the iron frame 1 is clamped with the iron frame 1, screws are penetrated at the threaded holes 2 in the iron frame 1 to ensure that the iron frame 1 is completely fixed at the position where installation is needed, the connecting plate 6 at the lower end of the insulator 7 is placed at the upper end of the supporting plate 8, the connecting block 4 at the outer end of the connecting plate 6 is aligned with the convex block at the outer end of the supporting plate 8, the connecting bolt 5 is screwed, the convex block at the outer end of the connecting plate 4 and the supporting plate 8 is connected through the connecting bolt 5, the first positioning block 9 and the second positioning block 10 are respectively placed at the left side and the right side of the upper end of the insulator 7, the connecting belt 1201 is clamped in the grooves at the lower sides of the first positioning block 9 and the second positioning block 10, square plates 1202 are respectively installed at the left and right connecting positions of the front ends of the connecting belt 1201, the connecting bolts 1203 are screwed, the connecting bolts 1203 are arranged on the square plates 1202 at equal intervals, the square plates 1202 at the left and right ends are respectively connected with the connecting bolts 1203, repeating the operation, so that the connecting belt 17 is clamped to the groove at the outer end of the connecting block 16, the connecting bolt 18 is screwed down, the connecting block 16 at the upper end of the first positioning block 9 and the connecting block 16 at the upper end of the second positioning block 10 are locked, the connecting blocks 16 and the connecting block 19 are in one-to-one correspondence, the connecting block 19 is semicircular, the outer end of the connecting block 19 is provided with a thread structure, the first balance plate 20 and the vertical rod 21 are respectively connected with the connecting block 19 in a threaded manner, and the installation of the whole GIS isolation composite grounding switch is completed, so that the GIS isolation composite grounding switch is convenient to assemble and disassemble.
As shown in fig. 1, 2, 6 and 5, the positioning plate 11 is in a semicircular structure, the positioning plate 11 is relatively clamped and connected with the stabilizing block 13, the stabilizing block 13 is in a hexagonal structure, the first limiting blocks 14 are arranged at the right end of the first positioning block 9 at equal intervals, the first limiting blocks 14 are relatively clamped and connected with the second limiting blocks 15, the second limiting blocks 15 are arranged at the left end of the second positioning block 10 at equal intervals, when the first positioning block 9 is placed at the left end of the stabilizing block 13, the positioning plate 11 at the inner end of the lower side of the first positioning block 9 is clamped with the left end of the stabilizing block 13, the positioning plate 11 is semicircular, the second positioning block 10 is placed at the right end of the stabilizing block 13, the positioning plate 11 at the left end of the lower side of the second positioning block 10 is clamped with the right end of the stabilizing block 13, after the positioning plate 11 at the inner ends of the first positioning block 9 and the second positioning block 10 are clamped with the annular groove at the inner end of the stabilizing block 13, the first limiting block 14 at the inner end of the upper side of the first positioning block 9 is clamped with the second limiting block 15 at the inner end of the upper side of the second positioning block 10, when the connecting belt 1201 and the connecting belt 17 are respectively clamped with the grooves at the outer ends of the first positioning block 9 and the connecting block 16, the installation between the first positioning block 9 and the second positioning block 10 is realized by screwing the connecting bolt 1203 and the connecting bolt 18, so that the internal connection of the GIS isolating composite grounding switch is more compact, namely, the application method of the stabilizing GIS isolating composite grounding switch with the dismounting function is realized.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Stable GIS keeps apart compound earthing switch with dismouting function, its characterized in that includes:
the iron stand (1), screw hole (2) has been seted up to the inside of iron stand (1), and the upper end of iron stand (1) is connected with supporting shoe (3), connecting block (4) are installed to the upper end of supporting shoe (3), and the inner of connecting block (4) is connected with connecting bolt (5), and the upper end of backup pad (8) is connected with connecting plate (6), and the upper end of connecting plate (6) is provided with insulator (7);
the first positioning block (9) is arranged at the left outer end of the insulator (7), the right end of the first positioning block (9) is provided with a second positioning block (10), the inner end of the second positioning block (10) is provided with a positioning plate (11), the outer end of the second positioning block (10) is connected with a connecting assembly (12), the upper end of the insulator (7) is provided with a stabilizing block (13), a first limiting block (14) is arranged above the stabilizing block (13), and the outer end of the first limiting block (14) is provided with a second limiting block (15);
the connecting block (16) is arranged at the upper end of the second positioning block (10), a connecting belt (17) is arranged at the outer end of the connecting block (16), a connecting bolt (18) is arranged at the inner end of the connecting belt (17), a connecting block (19) is arranged at the upper end of the connecting block (16), and a first balance plate (20) is arranged at the outer end of the connecting block (19);
the vertical rod (21) is arranged at the left upper end of the first balance plate (20), the outer end of the vertical rod (21) is connected with the connecting iron plate (22), the right upper end of the first balance plate (20) is provided with the stabilizing plate (23), the inner end of the stabilizing plate (23) is connected with the guide rod (24), the outer end of the guide rod (24) is provided with the connecting frame (26), and the front end of the guide rod (24) is connected with the controller (25);
reinforcing plate (27), it sets up the right-hand member at link (26), and first connecting switch (28) are installed to the right-hand member of reinforcing plate (27), the inner of first connecting switch (28) is connected with second connecting switch (29), and the lower extreme of second connecting switch (29) is connected with second balance board (30), and limiting plate (31) are installed to the upper end of second balance board (30).
2. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 1, wherein the stable GIS isolation composite grounding switch is characterized in that: the iron frame (1) is U-shaped, and the threaded holes (2) are symmetrically arranged left and right relative to the vertical central axis of the iron frame (1).
3. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 1, wherein the stable GIS isolation composite grounding switch is characterized in that: the connecting blocks (4) are arranged in 4 groups at equal angles relative to the center of the connecting plate (6), and the connecting blocks (4) are in threaded connection with the connecting bolts (5) and the supporting plates (8) respectively.
4. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 1, wherein the stable GIS isolation composite grounding switch is characterized in that: the positioning plate (11) is of a semicircular structure, the positioning plate (11) is connected with the stabilizing block (13) in a relatively clamping mode, and the stabilizing block (13) is of a hexagonal structure.
5. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 1, wherein the stable GIS isolation composite grounding switch is characterized in that: the connecting assembly (12) is composed of a connecting belt (1201), a square plate (1202) and a connecting bolt (1203);
a connecting band (1201) provided at the outer end of the first positioning block (9);
a square plate (1202) connected to the front end of the connecting band (1201);
engagement pins (1203) mounted on the inner ends of the square plates (1202).
6. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 5, wherein: the connecting belt (1201) is in opposite clamping connection with the first positioning block (9) and the second positioning block (10), and the square plate (1202) is arranged in bilateral symmetry with respect to the vertical central axis of the connecting belt (1201).
7. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 5, wherein: the engagement pins (1203) are in threaded connection with the square plate (1202) in a threaded manner, and the engagement pins (1203) are arranged on the square plate (1202) at equal intervals.
8. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 1, wherein the stable GIS isolation composite grounding switch is characterized in that: the first limiting blocks (14) are arranged at the right ends of the first positioning blocks (9) at equal intervals, the first limiting blocks (14) are connected with the second limiting blocks (15) in a relatively clamped mode, and the second limiting blocks (15) are arranged at the left ends of the second positioning blocks (10) at equal intervals.
9. The stable GIS isolation composite grounding switch with the disassembly and assembly functions according to claim 1, wherein the stable GIS isolation composite grounding switch is characterized in that: the connecting blocks (16) are connected with the connecting belts (17) in a relatively clamping mode, the connecting blocks (16) are arranged in one-to-one correspondence with the connecting blocks (19), and the connecting blocks (19) are in threaded connection with the first balance plate (20) and the second balance plate (30) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211540166.3A CN115831656B (en) | 2022-12-02 | 2022-12-02 | Stable GIS isolation composite grounding switch with disassembly and assembly functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211540166.3A CN115831656B (en) | 2022-12-02 | 2022-12-02 | Stable GIS isolation composite grounding switch with disassembly and assembly functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115831656A CN115831656A (en) | 2023-03-21 |
| CN115831656B true CN115831656B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211540166.3A Active CN115831656B (en) | 2022-12-02 | 2022-12-02 | Stable GIS isolation composite grounding switch with disassembly and assembly functions |
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| Country | Link |
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| CN (1) | CN115831656B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915282A (en) * | 2014-04-25 | 2014-07-09 | 协励行(厦门)电气有限公司 | Novel solid insulation vacuum switch three-position isolation earthing switch module |
| CN209804527U (en) * | 2019-06-14 | 2019-12-17 | 海南安泰尚信实业有限公司 | GIS keeps apart compound earthing switch convenient to equipment |
| CN213339888U (en) * | 2020-11-21 | 2021-06-01 | 宣城市精熔电气有限公司 | Composite insulator hardware convenient to disassemble and assemble |
-
2022
- 2022-12-02 CN CN202211540166.3A patent/CN115831656B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915282A (en) * | 2014-04-25 | 2014-07-09 | 协励行(厦门)电气有限公司 | Novel solid insulation vacuum switch three-position isolation earthing switch module |
| CN209804527U (en) * | 2019-06-14 | 2019-12-17 | 海南安泰尚信实业有限公司 | GIS keeps apart compound earthing switch convenient to equipment |
| CN213339888U (en) * | 2020-11-21 | 2021-06-01 | 宣城市精熔电气有限公司 | Composite insulator hardware convenient to disassemble and assemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115831656A (en) | 2023-03-21 |
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